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Interleukin-18

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https://www.readbyqxmd.com/read/28430754/biomarkers-for-early-acute-kidney-injury-diagnosis-and-severity-prediction-a-pilot-multicenter-canadian-study-of-children-admitted-to-the-icu
#1
Jennifer Palermo, Allison B Dart, Alanna De Mello, Prasad Devarajan, Ronald Gottesman, Gonzalo Garcia Guerra, Greg Hansen, Ari R Joffe, Cherry Mammen, Nick Majesic, Catherine Morgan, Peter Skippen, Michael Pizzi, Ana Palijan, Michael Zappitelli
OBJECTIVE: Acute kidney injury occurs early in PICU admission and increases risks for poor outcomes. We evaluated the feasibility of a multicenter acute kidney injury biomarker urine collection protocol and measured diagnostic characteristics of urine neutrophil gelatinase-associated lipocalin, interleukin-18, and liver fatty acid binding protein to predict acute kidney injury and prolonged acute kidney injury. DESIGN: Prospective observational pilot cohort study...
April 20, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#2
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28429571/melatonin-antagonizes-interleukin-18-mediated-inhibition-on-neural-stem-cell-proliferation-and-differentiation
#3
Zheng Li, Xingye Li, Matthew T V Chan, William Ka Kei Wu, DunXian Tan, Jianxiong Shen
Neural stem cells (NSCs) are self-renewing, pluripotent and undifferentiated cells which have the potential to differentiate into neurons, oligodendrocytes and astrocytes. NSC therapy for tissue regeneration, thus, gains popularity. However, the low survivals rate of the transplanted cell impedes its utilities. In this study, we tested whether melatonin, a potent antioxidant, could promote the NSC proliferation and neuronal differentiation, especially, in the presence of the pro-inflammatory cytokine interleukin-18 (IL-18)...
April 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28417544/urine-biomarkers-of-acute-kidney-injury-in-noncritically-ill-hospitalized-children-treated-with-chemotherapy
#4
Maya Sterling, Zubaida Al-Ismaili, Kelly R McMahon, Melissa Piccioni, Michael Pizzi, Theresa Mottes, Larry C Lands, Sharon Abish, Adam J Fleming, Michael R Bennett, Ana Palijan, Prasad Devarajan, Stuart L Goldstein, Maureen M O'Brien, Michael Zappitelli
BACKGROUND: Cisplatin (Cis), carboplatin (Carb), and ifosfamide (Ifos) are common nephrotoxic chemotherapies. Biomarkers of tubular injury may allow for early acute kidney injury (AKI) diagnosis. PROCEDURE: We performed a two-center (Canada, United States) pilot study to prospectively measure serum creatinine (SCr), urine neutrophil gelatinase-associated lipocalin (NGAL), and interleukin-18 (IL-18) in children receiving Cis/Carb (27 episodes), Ifos (30 episodes), and in 15 hospitalized, nonchemotherapy patients...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28415798/tumor-derived-il-18-induces-pd-1-expression-on-immunosuppressive-nk-cells-in-triple-negative-breast-cancer
#5
In Hae Park, Han Na Yang, Kyoung Joo Lee, Tae-Sik Kim, Eun Sook Lee, So-Youn Jung, Youngmee Kwon, Sun-Young Kong
PURPOSE: While the inflammatory cytokine interleukin-18 (IL-18) is known to activate natural killer (NK) cells, its precise role in cancer is controversial. In this study, we investigated the role of tumor-derived IL-18 on peripheral blood NK cells in breast cancer patients. RESULTS: In breast cancer cell lines, IL-18 was expressed and secreted in the triple-negative breast cancer (TNBC) cell lines MDA-MB-231 and HCC-70 but not in MCF-7 cells. The immature and non-cytotoxic CD56dimCD16dim/- NK cell fraction was increased following co-culture with MDA-MB-231 cells, and this increase was not observed with tumor cells transfected with siRNA for IL-18 or in MCF-7 cells...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408434/renal-and-vascular-effects-of-uric-acid-lowering-in-normouricemic-patients-with-uncomplicated-type-1-diabetes
#6
Yuliya Lytvyn, Ronnie Har, Amy Locke, Vesta Lai, Derek Fong, Andrew Advani, Bruce A Perkins, David Z I Cherney
Higher plasma uric acid (PUA) levels are associated with lower GFR and higher blood pressure (BP) in patients with type 1 diabetes (T1D). Our aim was to determine the impact of PUA lowering on renal and vascular function in patients with uncomplicated T1D.T1D patients (n=49) were studied under eu- and hyperglycemic conditions at baseline and after PUA lowering with febuxostat (FBX) for 8 weeks. Healthy controls (HC) were studied under normoglycemic conditions (n=24). PUA, GFR (inulin), effective renal plasma flow (ERPF, paraaminohippurate), BP and hemodynamic responses to an infusion of angiotensin II (assessment of intrarenal RAAS) were measured pre- and post-FBX...
April 13, 2017: Diabetes
https://www.readbyqxmd.com/read/28401330/cordycepin-confers-neuroprotection-in-mice-models-of-intracerebral-hemorrhage-via-suppressing-nlrp3-inflammasome-activation
#7
Yijun Cheng, Yongxu Wei, Wenlei Yang, Yaying Song, Hanbing Shang, Yu Cai, Zhebao Wu, Weiguo Zhao
Neuroinflammation has been recognized as a major contributor to brain injury caused by intracerebral hemorrhage (ICH). Nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome acts as an important mediator of inflammatory response in various inflammation-related diseases including hemorrhagic insults. Cordycepin has recently been shown to possess anti-inflammatory effect; however, its role and the possible underlying mechanisms in ICH remain unclear. This study was designed to investigate the neuroprotective effect of cordycepin in mice models of ICH and to elucidate the underlying molecular mechanisms...
April 11, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28399485/interleukin-18-protects-mice-from-enterovirus-71-infection
#8
Zheng Li, Hongbin Wang, Yihui Chen, Junling Niu, Qiuhong Guo, Qibin Leng, Zhong Huang, Zhirui Deng, Guangxun Meng
Previous study has demonstrated that the NLRP3 inflammasome is essential for protecting murine host against Enterovirus 71 (EV71) infection. However, the underlying mechanism remained unknown. Here we discovered that the pleiotropic cytokine interleukin-18 (IL-18), an NLRP3 inflammasome-dependent effector protein, exhibits a protective capability against EV71 challenge. Deficiency of IL-18 in mice exacerbated EV71 infection, which was reflected by increased viral replication, elevated production of interferons (IFN-β, IFN-γ), proinflammatory cytokines (TNF-α, IL-6) and chemokine CCL2,as well as decreased survival of experimental animals...
April 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28395725/-elevated-il-18-il-18-binding-protein-and-il-18-receptor-in-eosinophil-enriched-blood-cells-in-patients-with-asthma
#9
Leilei Yuan, Sijing Lu, Huiyun Zhang, Junling Wang, Yalin Hu, Ling Wang, Shaoheng He
Objective To investigate the changes of interleukin-18 (IL-18), interleukin 18 binding protein (IL-18BP) and interleukin 18 receptor (IL-18R) expressions in eosinophil-enriched cells from asthmatic patients, and study the correlations among them. Methods Peripheral venous blood from asthmatic patients and normal subjects were collected and stimulated with the extracts of Artemisia pollen, dust mite, and Platanus pollen. The expressions of IL-18, IL-18BP and IL-18R in eosinophil-enriched blood cells were detected by flow cytometry, and the correlations among them were analyzed...
April 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28394363/interleukin-18-mediates-cardiac-dysfunction-induced-by-western-diet-independent-of-obesity-and-hyperglycemia-in-the-mouse
#10
S Carbone, P J H Lee, A G Mauro, E Mezzaroma, R Buzzetti, B Van Tassell, A Abbate, S Toldo
Obesity and diabetes are independent risk factors for heart failure and are associated with the consumption of diet rich in saturated fat and sugar, Western diet (WD), known to induce cardiac dysfunction in the mouse through incompletely characterized inflammatory mechanisms. We hypothesized that the detrimental cardiac effects of WD are mediated by interleukin-18 (IL-18), pro-inflammatory cytokine linked to cardiac dysfunction. C57BL/6J wild-type male mice and IL-18 knockout male mice were fed high-saturated fat and high-sugar diet for 8 weeks...
April 10, 2017: Nutrition & Diabetes
https://www.readbyqxmd.com/read/28383780/immunoglobulin-superfamily-members-encoded-by-viruses-and-their-multiple-roles-in-immune-evasion
#11
REVIEW
Domènec Farré, Pablo Martínez-Vicente, Pablo Engel, Ana Angulo
Pathogens have developed a plethora of strategies to undermine host immune defenses in order to guarantee their survival. For large DNA viruses, these immune evasion mechanisms frequently rely on the expression of genes acquired from host genomes. Horizontally transferred genes include members of the immunoglobulin superfamily (IgSF), whose products constitute the most diverse group of proteins of vertebrate genomes. Their promiscuous immunoglobulin domains, which comprise the building blocks of these molecules, are involved in a large variety of functions mediated by ligand-binding interactions...
April 6, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28382080/association-between-interleukin-18-level-and-left-ventricular-mass-index-in-hypertensive-patients
#12
Süleyman ÖZzbïçer, Zekiye Melek Uluçam
BACKGROUND AND OBJECTIVES: In clinical trials, hypertensive patients tend to have higher interleukin-18 (IL-18) concentrations than normotensive groups, but the relationship between IL-18 and left ventricular hypertrophy (LVH), which is a marker of end-organ damage, is not well studied. We aimed to investigate the relationship between IL-18 and LVH in apparently healthy subjects free of clinically significant atherosclerotic disease. SUBJECTS AND METHODS: We enrolled 198 subjects (102 women and 96 men) between May 2006 and March 2007, who were free of cardiovascular or immune diseases, but were suspected to have hypertension...
March 2017: Korean Circulation Journal
https://www.readbyqxmd.com/read/28373606/leukocytapheresis-for-the-treatment-of-acute-exacerbation-of-idiopathic-interstitial-pneumonias-a-pilot-study
#13
Akihiro Yamamoto, Kiyoshi Hashimoto, Akira Yamasaki, Miki Takata, Masato Morita, Yoshihiro Funaki, Kensaku Okada, Yasuhiko Teruya, Takehito Fukushima, Eiji Shimizu
OBJECTIVE: Idiopathic interstitial pneumonias (IIPs) are a group of heterogeneous diffuse parenchymal lung disorders of unknown etiology. An acute exacerbation (AE) is an acute respiratory deterioration that occurs in IIPs. The prognosis of AE of IIPs (AE-IIPs) is extremely severe; however, no established therapies exist. We aimed to evaluate the efficacy of leukocytapheresis (LCAP) to treat patients with AE-IIPs. PATIENTS AND METHODS: Six chronic IIPs patients who developed AE were enrolled in this study...
2017: Journal of Medical Investigation: JMI
https://www.readbyqxmd.com/read/28373090/interleukin-18-and-its-receptor-are-expressed-in-gonadotropin-releasing-hormone-neurons-of-mouse-and-rat-forebrain
#14
Sachi Kuwahara-Otani, Seishi Maeda, Kimiko Kobayashi, Yusuke Minato, Koichi Tanaka, Kyosuke Yamanishi, Masaki Hata, Wen Li, Tetsu Hayakawa, Koichi Noguchi, Haruki Okamura, Hideshi Yagi
Interleukin-18 (IL-18) is a pro-inflammatory cytokine and an important mediator of peripheral inflammation and host immune response. IL-18 functions through its binding with the IL-18 receptor (IL-18R), which consists of two chains, an IL-18-binding α chain (IL-18Rα) and a signaling β chain. IL-18 and IL-18R are expressed in the brain; however, limited information is available on IL-18R expression and the role of IL-18 in neurosecretory cells. In the present study, we used immunohistochemical techniques to investigate the distribution of IL-18Rα and IL-18 in the hypothalamus of male mice and rats...
April 1, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28369146/epstein-barr-virus-infection-induced-inflammasome-activation-in-human-monocytes
#15
Yuka Torii, Jun-Ichi Kawada, Takayuki Murata, Hironori Yoshiyama, Hiroshi Kimura, Yoshinori Ito
Inflammasomes are cytoplasmic sensors that regulate the activity of caspase-1 and the secretion of interleukin-1β (IL-1β) or interleukin-18 (IL-18) in response to foreign molecules, including viral pathogens. They are considered to be an important link between the innate and adaptive immune responses. However, the mechanism by which inflammasome activation occurs during primary Epstein-Barr virus (EBV) infection remains unknown. Human B lymphocytes and epithelial cells are major targets of EBV, although it can also infect a variety of other cell types...
2017: PloS One
https://www.readbyqxmd.com/read/28352119/identification-of-small-molecule-inhibitors-of-interleukin-18
#16
Brian Krumm, Xiangzhi Meng, Yan Xiang, Junpeng Deng
Interleukin-18 (IL-18) is a pleiotropic pro-inflammatory cytokine belonging to the IL-1 superfamily. IL-18 plays an important role in host innate and adaptive immune defense but its aberrant activities are also associated with inflammatory diseases such as rheumatoid arthritis and Crohn's disease. IL-18 activity is modulated in vivo by its naturally occurring antagonist, IL-18 Binding Protein (IL-18BP). Recent crystal structures of human IL-18 (hIL-18) in complex with its antagonists or cognate receptor(s) have revealed a conserved binding interface on hIL-18...
March 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28347533/influence-of-drugs-carried-in-lipid-nanoparticles-in-coronary-disease-of-rabbit-transplanted-heart
#17
Lucas R Barbieri, Domingos D Lourenço-Filho, Elaine R Tavares, Priscila O Carvalho, Paulo S Gutierrez, Raul C Maranhão, Noedir A G Stolf
BACKGROUND: Coronary allograft vasculopathy is an inflammatory-proliferative process that compromises the long-term success of heart transplantation and currently has no effective prevention and treatment. Lipid nanoparticles, termed LDE can carry chemotherapeutic agents in the circulation and concentrates them in the heart. METHODS: Twenty-eight rabbits fed a cholesterol-rich diet and submitted to heterotopic heart transplantation were treated with cyclosporine A (10 mg/kg daily) and allocated to four groups of 7 animals treated with intravenous LDE-methotrexate (MTX; 4 mg/kg weekly), with LDE-paclitaxel (PACLI; 4 mg/kg weekly), or with LDE-PACLI (4 mg/kg weekly) and LDE-MTX (4 mg/kg weekly)...
March 24, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28342224/interleukin-18-activates-vg9vd2-t-cells-from-hiv-individuals-recovering-the-response-to-phosphoantigen
#18
Alanna S Murday, Suchita Chaudhry, C David Pauza
OBJECTIVE: Identify an immunoregulatory factor that restores the phosphoantigen response of Vg9Vd2+ T cells from HIV+ individuals on antiretroviral therapy. DESIGN: Characterize the effects of IL-18 on proliferation and effector function in Vg9Vd2 T cells from HIV-negative individuals. Test whether exogenous IL-18 reconstitutes the Vg9Vd2 T cell response to phosphoantigen from HIV-positive donors. METHODS: The Vg9Vd2 T cells from HIV-negative individuals respond strongly to phosphoantigen or aminobisphosphonate stimulation of PBMC, while cells with similar T cell receptor profiles from HIV+ individuals only respond to aminobisphosphonate...
March 25, 2017: Immunology
https://www.readbyqxmd.com/read/28340810/comparison-of-two-different-inhalation-anesthetics-on-grafted-kidney-function-in-patients-undergoing-renal-transplantation-surgery-desflurane-or-sevoflurane
#19
M S Karadeniz, H S Ciftci, T Tefik, O Mammadov, H Yazıcı, I Nane, A Turkmen, F Oguz, K M Tugrul
BACKGROUND: Anesthetic management of patients during renal transplantation is vitally important for ensuring proper functioning of kidneys that have undergone ischemia-reperfusion damage. The goal of this prospective study was to compare the effects of 2 different inhalation agents (sevoflurane and desflurane) on grafted kidney function in renal transplantation surgery. METHODS: Sixty-five patients who were scheduled for living donor renal transplantation were enrolled in the study...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28337127/nlrp3-inflammasome-in-neurological-diseases-from-functions-to-therapies
#20
REVIEW
Limin Song, Lei Pei, Shanglong Yao, Yan Wu, You Shang
Neuroinflammation has been identified as a causative factor of multiple neurological diseases. The nucleotide-binding oligomerization domain-, leucine-rich repeat- and pyrin domain-containing 3 (NLRP3) inflammasome, a subcellular multiprotein complex that is abundantly expressed in the central nervous system (CNS), can sense and be activated by a wide range of exogenous and endogenous stimuli such as microbes, aggregated and misfolded proteins, and adenosine triphosphate, which results in activation of caspase-1...
2017: Frontiers in Cellular Neuroscience
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